Greater Eastern Peaclam vs Red-billed Duck

Pisidium dubium compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Greater Eastern Peaclam	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Aves (Birds)
Order	Sphaeriida (Sphaeriida)	Anseriformes (Anseriformes)
Family	Sphaeriidae	Anatidae
Genus	Pisidium	Anas
Species	Pisidium dubium	Anas erythrorhyncha

Evolutionary Relationship

Greater Eastern Peaclam and Red-billed Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Greater Eastern Peaclam

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Greater Eastern Peaclam	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Greater Eastern Peaclam

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States.

Red-billed Duck

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (6 countries) and South America (Ecuador).

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.